How to fix the Oracle error ORA-31090: invalid database schema name “string”?

In this post, you’ll learn more about the Oracle ErrorORA-31090: invalid database schema name “string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-31090: invalid database schema name “string”

Reason for the Error ORA-31090: invalid database schema name “string”

The XML schema document contains an invalid database schema name For example, the value of attribute SQLSchema

How to fix the Error ORA-31090: invalid database schema name “string” ?

You can fix this error in Oracle by following the below steps

Make sure that all database user/schema names specified in the XML schema document refer to existing database users/schemas.